Oregon settled for a tie with California on Thursday after the Golden Bears knotted the score 1-1 with less than three minutes left in regulation.
After opening Pac-12 play with three consecutive road games, the Ducks play six of their final eight games in the state of Oregon.
Utah scored twice in the second half to defeat Oregon 2-0 Sunday at Ute Field.
Oregon rallied from a 2-0 deficit in the final 19 minutes of the match to tie No. 17 Colorado 2-2.
Oregon opens October at No. 17 Colorado (Thursday, 2:30 p.m.) and Utah (Sunday, Noon).
Emma Eddy scored for the second straight match but it wasn't enough as Oregon fell to Washington 2-1.